Hebei Cangzhou Hengtong Tubing Co., Ltd is a professional manufacturer which specialized in making all kinds of pipe fittings and pipes since 1988 .We have been exporting these for 15 years to more than 30 countries in Europe and North America and enjoyed high reputation.Our products are certified by ISO9001:2000 and API in 1998 and 2002 respectively. Meanwhile, Hengtong is one of the best suppliers of CNPC(China Petroleum)and SINOPEC(China Oil and Chemistry).